Timber concrete composite structures in fire - Final activity report from WG2-TG2

The structural behaviour of Timber‐Concrete Composite (TCC) slabs, as known, is mainly governed by the shear connection between timber and concrete components. There, a key role is assigned to possible changes in stiffness and strength, especially for TCC systems exposed to fire loading. In the last years, several studies have been spent for the assessment of the fire performance of TCC systems in fire loading, including experimental, analytical and Finite Element (FE) numerical modelling, see for example [1–5]. In desire to describe the behaviour of TCC elements in fire conditions, effects of temperature on the mechanical properties of timber, concrete, and connection components should be properly taken into account. In this paper, a final activity report is proposed from the WG2‐TG2 members. First, experimental methods and results are discussed. Then, an insight on the Finite Element numerical modelling of TCC structures in fire is presented.